28473875

素因数分解:

$5^3\times {\mathrm{19}}^2\times {\mathrm{631}}^1$

素因数の和:684

約数の個数: 24

約数和(自身を含む): 37563552

約数和(自身を除く): 9089677

約数列:

[1, 5, 19, 25, 95, 125, 361, 475, 631, 1805, 2375, 3155, 9025, 11989, 15775, 45125, 59945, 78875, 227791, 299725, 1138955, 1498625, 5694775, 28473875]

約数ペア:

[(1, 28473875), (5, 5694775), (19, 1498625), (25, 1138955), (95, 299725), (125, 227791), (361, 78875), (475, 59945), (631, 45125), (1805, 15775), (2375, 11989), (3155, 9025)]